All invertebrates have phagocytic cells, but lack antibodies
a. True
b. False
ANSWER: True
Biology & Microbiology
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________ are the main cell type within connective tissue in all but one situation
a. Macrophages b. Cuboidal cells c. Fibroblasts d. Collagen fibers e. Squamous cells
Biology & Microbiology
They famous Urey-Miller experiments provided crucial support for which hypothesis?
a. the Endosymbiosis hypothesis b. the Oparin-Haldane hypothesis c. the RNA World hypothesis d. the Dickerson oxidizing atmosphere hypothesis e. the Hydrothermal vent hypothesis
Biology & Microbiology
There is a total of 5 lobes of the lungs
a. true b. false
Biology & Microbiology
Which cell migrates to the thymus gland to mature?
A. T cell B. mast cell C. monocyte D. natural killer cell E. B cell
Biology & Microbiology